LGX-Series Modular Panels


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  • Interchangeable modular adapter plates mount easily by means of plunger locks
  • Meets EIA/ECA-310-E mounting standards for 19 inches
  • LGX footprint offers a universal solution in a 1U designs for up to 72 fibers
  • Integrated for multiple cable management options including a fiber management tray




Housing: 1.5 mm CRS with corrosive resistant black finish
Adapter Plate: 1.5 mm aluminum with corrosive resistant black finish
Adapter: High-impact thermoplastic, UL94V-0 Fire-retardant


RMF3-B: Up to 72 fibers; Adapter Plates / Cassette: 3 Max


RMF3-B: 0.75″ D x 19″ W x 1.75″ H (19.05 mm x 482.6 mm x 44.45 mm)
Tray: 10.0″ D x 17.0″ W x 1.75″ H (254 mm x 482.6 mm x 44.45 mm)
Bar: 2.50″ D x 19″ W (63.5 mm x 482.6 mm)


Operating Temperature: 14 °F to 140 °F (-10 °C to 60 °C)
Storage Temperature: -40 °F to 158 °F (-40 °C to 70 °C)
Operating RH: 93% Max (non-condensing)


5-year limited component warranty
10-year Signamax Link/Channel Warranty
15-year Signamax Extended Component Warranty
25-year Signamax Cabling System Warranty




Download Specifications (PDF 449 KB) Revised 03.2021



Part NumberDescriptionAdd to [?] 
RMF3-B18- to 72-Fiber Rack-Mount Optical Fiber Adapter-Plate Panel, 1.75-in High (1 RMS)



Cable Management

Part NumberDescriptionAdd to [?] 
RMF-FMTA-BOptical Fiber Management Tray


CMB-250-PPanel-Mount Cable Management Bar, Plastic Body, 2.50″-Deep


CMB-550-MPanel-Mount Cable Management Bar, Metal Body, 5.5-in Deep